Mop head



Dec. 15, 1942. B.' F. HELMlNlAK MOP HEAD Filed oct. 10.- 19'40 ATTO ENEYJ.

Patented Dec. 15, 1942 UNETED STATES PATENT OFFICE 3 Claims.

My invention relates to improvements in mop heads.

The object of my invention is to provide sturdy mop head subject to easy manipulation in replacement of a mop rag.

Another object of my invention is to provide a mop head which is subject to cheap manufacturing methods and in which relatively light weight parts reinforce each other.

In the drawing:

Figure 1 is a side elevation ci my mop head with a portion of the mop stick, various positions of adjustment of the parts being shown respectively in full lines and dotted lines.

Figure 2 is a section on line 2--2 of Fig. 1.

Figure 3 is a section on line 3-3 of Fig. l.

Like parts are identiiied by the same reference characters throughout the several views.

Axially of the end I of mop stick II I provide a post I2 which extends into the mop stick II as shown in dotted lines at I3 and extends beyond the mop stick to a terminal I4 provided with a stop washer I5 or other suitable stop means. Loosely upon the post I2 I mount an inner clamp I6 having a clamp bar I1 and an A frame I8 apertured at I9 to receive the post. Between the A frame I 8 and the end I0 of the mop stick I provide a compression spring to urge the inner clamp toward the terminal I4 and stop I5.

To secure the post I2 and its assembly with the stick I U I provide a bayonet pin 24 which extends completely through stick IB and protrudes at either side thereof. It passes through post I2 and therefore secures the post tightly in its bore I3.

About the operating end of the stick IU I provide a sleeve 25 which is bayonet slotted at 26 and 21 to receive the ends of the pin 24 and the sleeve may, therefore, be reciprocated upon the stick I0 to the extend permitted by the pin 24 which, at one end of its travel in the slot 2B, may be received in the L extensions 28 of the slots.

Extending forwardly or away from the end of the stick I0 I provide outerY clamp holding frames 29 and 30 which diverge and extend between the bifurcated ends 3| and 32 of inner clamp bar I'I. Outer clamp bar 33 extending across between the frames 29 and 30 is, therefore, in opposed relation' to the inner clamp bar I'I and a mop rag or filler may be inserted between them when they are in the position shown in full lines in Fig. 1.

Assuming a mop rag or filler has been placed between the clamp bars II and 33 pressure may be placed upon the clamp bar 33 and the frames 29 and 30 to press the mop rag between the bars and to compress spring 20 at the same time that sleeve 25 is slidably moved upon the stick I0. If suincient pressure is placed upon the outer bar 33 the pin 24 may be received in the L extensions 28 of the slots 26 and 21 to lock the mop rag under compression between the bars I1 and 33.

It will be noted from this description that the sleeve 25 surrounds the stick I9 to reinforce it at the point where mop sticks in general are most weak, namely near the Working end where moisture and other deleterious materials may soften the material of which the stick is made, and also at the point where the working partsI inserted in the stick, as for instance, the post I2, may weaken the stick.

When the mop rag is to be removed from the mop head slight pressure upon the bar 33 and rotationof the stick I 0 to release the pin 24 from the L extensions 28 will permit the outer clamp and its frame and sleeve to react to the spring 20, and the pressure between the cross bars I'I and 33 is released.

I claim:

1. A mop handle having an axially aligned post, a mop clamp member mounted for reciprocation on the post, a mop clamp member provided with a sleeve about the handle, and a spring on the post between the handle and the first mentioned mop clamp member.v

2. A mop handle having an axially aligned post of smaller diameter than the handle extending beyond said handle and a pin extending through the post and through said handle and extending outwardly to provide a detent, a sleeve about the handle provided with an L-shaped slot to receive the detent in bayonet relation, said sleeve and said post being each provided with a mop clamping element, the mop clamping element on the post being mounted for free reciprocation on said post under control of a spring, and a spring about the post and abutting against the end of the mop handle as to one end of said spring and as to the other end of the spring abutting against the mop clamping element on the post.

3. A mop handle provided with a post of smaller diameter, an inner mop clamp mounted for reciprocation on the post, a spring between the handle and the inner clamp, an outer clamp having spaced arms, one of said arms being disposed adjacent each end of the interior mop clamp and extending toward the handle, and a slotted sleeve connected lto said arms and positioned to vsurround the handle, and a detent protruding from the handle into the slot to control adjustment of the sleeve axially of the handle.

BERNARD F. HELMINIAK. 

